Internet Search Engines Will Have to Set Up Rules on Personal Data Deletions

PARIS—Google Inc. says it wants to organize the world's information online. Now it also may need to judge what people really have a right to know.

Mountain View, Calif.-based Google and others are wrestling with how to handle European requests to delete content from Internet-search engines following a landmark ruling in a European court on Tuesday that says individuals have, in some cases, a right to demand the erasure of links to...